51546632 has 8 divisors (see below), whose sum is σ = 96649950. Its totient is φ = 25773312.

The previous prime is 51546629. The next prime is 51546643. The reversal of 51546632 is 23664515.

It can be written as a sum of positive squares in only one way, i.e., 30625156 + 20921476 = 5534^2 + 4574^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3221657 + ... + 3221672.

Almost surely, 2^51546632 is an apocalyptic number.

It is an amenable number.

51546632 is a deficient number, since it is larger than the sum of its proper divisors (45103318).

51546632 is a wasteful number, since it uses less digits than its factorization.

51546632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6443335 (or 6443331 counting only the distinct ones).

The product of its digits is 21600, while the sum is 32.

The square root of 51546632 is about 7179.5983174548. The cubic root of 51546632 is about 372.1632035268.

The spelling of 51546632 in words is "fifty-one million, five hundred forty-six thousand, six hundred thirty-two".